cope with router.Iface being nil

which happens with `weave launch-router --iface ''`, which is what multiweave invokes.
weaveworks · Aug 11, 2015 · ea0db16 · ea0db16
1 parent 2b4d4fa
commit ea0db16
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/router/status.go b/router/status.go
@@ -62,6 +62,10 @@ type LocalConnectionStatus struct {
 }
 
 func NewStatus(router *Router) *Status {
+	var ifaceName string
+	if router.Iface != nil {
+		ifaceName = router.Iface.Name
+	}
 	return &Status{
 		Protocol,
 		ProtocolMinVersion,
@@ -71,7 +75,7 @@ func NewStatus(router *Router) *Status {
 		router.Ourself.Name.String(),
 		router.Ourself.NickName,
 		router.Port,
-		router.Iface.Name,
+		ifaceName,
 		NewMACStatusSlice(router.Macs),
 		NewPeerStatusSlice(router.Peers),
 		NewUnicastRouteStatusSlice(router.Routes),